AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - MILK AND MILK PRODUCTS - EXPORT REFUNDS - ADVANCE FIXING - SUSPENSION - SPECIAL MEASURE WITHIN THE MEANING OF REGULATION NO 2044/75 - APPLICATION TO OUTSTANDING APPLICATIONS FOR ADVANCE FIXING ( REGULATION NO 876/68 OF THE COUNCIL ; REGULATION NO 2044/75 OF THE COMMISSION , ART . 3 ( 3 ))